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Cold Rolling

by RKD89
Tags: cold, rolling
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RKD89
#1
Nov26-11, 11:58 PM
P: 45
For threading of Power screws ( like in a car jack with square/trapizoidal threading ), why is cold rolling preferred to normal material removal machining ; say turning on lathe.
Or is cold rolling even preffered?
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berko1
#2
Nov30-11, 11:07 AM
P: 30
I believe that on large scale manufacturing its a lot qiuker and cheaper then turning on a lathe.

http://www.youtube.com/watch?v=kidWB...eature=related

check out min- 2:35
pantaz
#3
Nov30-11, 12:28 PM
P: 589
Short answer = Roll-formed threads are stronger.

http://www.google.com/search?q=rolle...us+cut+threads


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